How to clean a hot water heater with clr step 1.
Clr to clean tankless water heater.
Since your tankless water heater is most likely the source of all your drinking water and bathing water using chemical cleaning solutions may be extremely harmful to your health.
If you need to you can buy a tankless water heater cleaning kit.
If you do get an error message and must descale or flush your tankless water heater kits are available online to do it yourself.
Again turn hot water valve back on.
Open the drain valve after unscrewing the water supply line and allow sufficient time for the water to drain out of the heater into the basin.
Clr type products can be harsh on the copper heat exchanger within the water heater.
We recommend a 60 minute flush using a white vinegar as the descaling material advises fleming.
How do i flush clean my rinnai tankless water heater.
Shut off the main gas or turn off the circuit breaker for.
And water heater scale de liming procedure for diagnosis and repair procedures.
You can buy food grade white vinegar in bulk online or in certain stores.
Once the water has drained close the valve.
Turn off the power source for your tankless water heater.
Pull this out and check that is it now clean.
Keeping the hose as straight as possible put the other end of the hose over a.
Turn off the water heater and disconnect it from the inlet pipe.
Open the drain valve and unscrew the.
Close turn off the three water valves attached to your tankless water heater.
Run the hose end to a basin where you can collect hot water.
Tankless coil clogging diagnosis repair removing lime scale from a tankless coil water heater also for side arm.
You should find the small screen on an underside of your tankless water heater that can remove a screw.
Use 2 5 gallons 9 46 liters of undiluted white vinegar to clean your tankless water heater at all times instead of chemical solutions.
Never use any other kind of vinegar as it can damage or stain the system and you shouldn t use chemicals as they can remain in the water and harm your health.
Water supply pipes may be clogged at the water heater or at other locations from minerals soil or other debris.
See water pipe clog diagnosis.
Let the water that is left to run out.
Attach a hose to the drain valve.
This prevents cold water from flowing.